<template>
<h1>循环指令</h1>
  <ul>
    <li v-for="item in 5">Hello{{item}}</li>
  </ul>
  <hr>
  <ul v-for="item in 3">
    <li>Hello{{item}}</li>
    <li>Hello{{item}}</li>
    <li>Hello{{item}}</li>
  </ul>
  <hr>
  <ul v-for="p in productArr">
    <li>{{p}}</li>
  </ul>
  <hr>
  <table border="1">
    <tr>
      <th>商品编号</th>
      <th>商品名称</th>
      <th>商品价格</th>
      <th>商品数量</th>
      <th>操作</th>
    </tr>
    <tr v-for="(p,index) in productArr">
      <td>{{index+1}}</td>
      <td>{{p.title}}</td>
      <td>{{p.price}}</td>
      <td>{{p.num}}</td>
      <td><button @click="del(index)">删除</button></td>
    </tr>
  </table>

</template>
<script setup>
import {ref}  from "vue";

const productArr=ref([
  {title:"葡萄", price:10,num:100},
  {title:"苹果", price:20,num:200},
  {title:"西瓜", price:30,num:300},
  {title:"香蕉", price:40,num:400}
]);
const del = (index) => {
  if (confirm("您确定要删除商品吗?")){
    productArr.value.splice(index,1);
  }
}
</script>



<style scoped>

</style>